DSSD738/DTSD738 electronic three-phase multi-function watt-hour meter is a new type of multi-function meter, it accords with the correlative standard, rules of the nation.
It has the function as high-accuracy, good stability, advanced technology and easy operation.
The performance index of the meter accord with the technical requirements of nation standard, such as GB/T17215-2002 class 1 and 2 static AC active watt-hour meter, GB/T17883-1999 class 0.2S and 0.5S static AC reactive watt-hour meter, GB/T1 7882-1999 class 2 and 3 static AC reactive watt-hour meter and DL/T614-1997 multi-function watt-hour meter, the communication agreement accord with DL/T645-1999.

Function and Features
1. Forward direction, reverse direction and 4 quadrants are reactive power and max demand the time of max demand
2. Spit Phase measuring
3.4 rates, 4 time zones, 6 time period, 10 daytime, 12 public holidays.
4. Measuring power, demand, power factor at current time.
5. The data can be congeal auto and recording data within 12 months.
6. The active forward&reverse direction and the reactive 4 quadrants output via Pulse
7. The Pulse width can be setup by controller or RS485
8. The infrared controller will display the item
9. The lineate communication and the infrared wireless communication are accord to DL/T645-1997

10. Can be mounted the meter key stoke-display or circule-display when power is off. All the data can be setup by controller of software
11. Recording affairs parameters function
12. Meter reading function at power off
13. Recording the load
14. It is easier of electric department centralized management
15. Alarming over load function
16. Transformer magnification can be setup
17. All the data and information can be display via LCD
18. Measuring the voltage, current, power of the each meter all the time
19. It has the recording feature of loss voltage loss current, coincidence rate of the voltage, power off, programmer, adjust the time and so on
20. It has the function of program forbid and demand replacement
21. Power break awakening function
22. Two sets of Battery, one(3.6V) is used for keepting date, and another(6V) is used for copying. They are easier to change.